Fire-resistance and smoke protection
UL certifies materials, systems and assemblies used for structural fire resistance and separation of adjacent spaces to safeguard against the spread of fire and smoke within a building and the spread of fire to or from the building.
ULtimate fire-resistance design wizard
The ULtimate Fire-resistance Design Wizard helps you quickly locate fire-resistance rated designs using common terms. In a few steps you can find, view and print out the designs that meet your needs. Learn more.
Fire-resistance rated systems and products
The Online Certifications Directory includes current designs, systems, assemblies and products that include or are related to hourly fire-resistance ratings. Search for designs.
Smoke protection products
Many products designed to maintain the integrity of the openings in fire-resistance-rated systems have been evaluated to determine the air leakage ratings of penetrations and other openings. These include, but are not limited to:
Doors, Leakage-Rated (UL 1784) Information Manufacturers
Joint Systems (UL 2079) Information Systems
Perimeter Fire Containment Systems (ASTM E 2307) Information Systems
Smoke dampers (UL 555S) Information Manufacturers
Through-penetrations (UL 1479) Information Systems
Technical topics
Door, Window and Related Hardware Application Guide Learn more.
UL 263 (ASTM E119) reliability
Ceiling damper, maximum area
Ceiling radiation dampers, installation considerations
Dampers, fire & smoke
Door assemblies, smoke and draft control
Fire doors and frames, label considerations
Fire doors and frames, unlabeled
Fire resistance rated walls, horizontal joints
Fire resistance rated exterior walls
Firestop installations (video)
Gypsum board securement
Intumescent coatings
Membrane penetrations
Outlet boxes for use in fire rated assemblies
